Consultation
Dr. Barnett reviews your psychiatric history, current medications, and treatment goals during a comprehensive in-person evaluation.

Physician-administered IV ketamine infusions offering rapid relief for treatment-resistant depression, PTSD, anxiety, and OCD.
Understanding Treatment-Resistant Mental Health
Living with treatment-resistant depression, PTSD, or anxiety can feel isolating and exhausting. You may have tried multiple antidepressants, spent months waiting for medications to take effect, or experienced side effects that made daily life more difficult. For many patients, the cycle of starting a new medication, waiting weeks to see if it works, and adjusting doses again becomes overwhelming. The emotional toll of feeling stuck, combined with the physical burden of chronic mental health conditions, can affect every aspect of your life, from relationships to work to simply getting through the day.
IV ketamine therapy works differently from traditional psychiatric medications by targeting the brain's glutamate system rather than serotonin or norepinephrine pathways. Under Dr. Barnett's direct medical supervision, low-dose ketamine infusions can produce rapid antidepressant and anxiolytic effects, often within hours rather than the weeks required by conventional medications. This physician-administered approach allows for precise dosing adjustments in real time, ensuring your safety and comfort throughout every session. Many patients experience meaningful symptom improvement after their very first infusion, with a full protocol building lasting neuroplastic changes.
The Science of Glutamate Modulation
Ketamine is a dissociative anesthetic that has been used safely in medical settings for over 50 years. Originally FDA-approved as an anesthetic in 1970, ketamine has emerged as one of the most significant breakthroughs in psychiatric treatment over the past two decades. At sub-anesthetic doses, IV ketamine produces rapid antidepressant, anxiolytic, and anti-suicidal effects by modulating the brain's glutamate system rather than the monoamine pathways targeted by traditional antidepressants.
Ketamine works by blocking NMDA (N-methyl-D-aspartate) receptors, which triggers a cascade of neurobiological effects including increased release of brain-derived neurotrophic factor (BDNF) and rapid formation of new synaptic connections through a process called synaptogenesis. This mechanism essentially helps the brain "rewire" itself, restoring neural pathways that may have been disrupted by chronic depression, trauma, or anxiety. A landmark 2006 study published in the Archives of General Psychiatry demonstrated that a single IV ketamine infusion produced significant antidepressant effects within two hours in patients with treatment-resistant depression, with effects lasting up to one week.
Rapid, Evidence-Based Relief
Many patients notice improvement within hours, not the weeks required by traditional antidepressants
Specifically effective for patients who have not responded to two or more prior medications
Dr. Barnett personally monitors every infusion, adjusting dosing in real time for safety
Promotes new synaptic connections that help restore healthy brain function long-term
Temporary dissociation and mild nausea resolve within hours of treatment completion
Compare Your Options
| Treatment | Mechanism | Time | Results | Duration | Downtime | Best For |
|---|---|---|---|---|---|---|
| IV Ketamine | NMDA receptor modulation | 40-60 minutes | Hours to days | Weeks to months | 30-45 min recovery | Treatment-resistant depression, PTSD, acute suicidal ideation |
| Traditional Antidepressants | Serotonin/norepinephrine reuptake | Daily oral | 4-8 weeks | Ongoing use required | None | Mild to moderate depression and anxiety |
| Exomind TMS Therapy | Magnetic brain stimulation | 25 minutes | 3-5 weeks | 6-12 months | None | Depression, anxiety, OCD not responding to medication |
Candidacy and Safety Considerations
Ketamine therapy is specifically designed for individuals whose mental health conditions have not responded adequately to conventional treatments. Dr. Barnett evaluates each patient's complete medical and psychiatric history to determine whether IV ketamine is appropriate.
Dr. Barnett conducts a thorough medical evaluation before recommending ketamine therapy. All contraindications are carefully reviewed, and patients are medically cleared before their first infusion to ensure the highest standard of safety.
Dr. Barnett reviews your psychiatric history, current medications, and treatment goals during a comprehensive in-person evaluation.
Dr. Barnett checks your vital signs, starts a peripheral IV line, and ensures you are comfortable in a private infusion suite.
Dr. Barnett administers a precise sub-anesthetic dose of IV ketamine over 40-60 minutes, monitoring vitals and adjusting the rate throughout.
You rest in the clinic for 30-45 minutes while Dr. Barnett monitors your recovery and ensures you are stable before discharge with a responsible driver.
What to Know
IV ketamine is administered in a controlled clinical environment under the direct supervision of Dr. Barnett, a board-certified anesthesiologist. Her expertise in airway management and hemodynamic monitoring provides an additional layer of safety that distinguishes physician-led ketamine care from nurse-administered or at-home protocols.
All side effects are temporary and resolve within hours of treatment. Dr. Barnett's real-time monitoring and dose titration help minimize any discomfort during the infusion process.
At Physicians Ketamine Institute of Destin, we believe in transparent pricing for all ketamine services. The cost of IV ketamine therapy reflects the physician-administered, medically supervised nature of every infusion.
IV ketamine for mental health is currently not covered by most insurance plans, as it is an off-label use of an FDA-approved medication. However, Physicians Ketamine Institute is a VA Community Care Partner, which means eligible veterans may receive coverage through the VA healthcare system. We also accept Health Savings Account (HSA) and Flexible Spending Account (FSA) payments. Please contact our office at (850) 598-0099 to discuss your specific situation and payment options.
Destin's Trusted Ketamine Provider
Dr. Barnett personally administers and monitors every IV ketamine infusion from start to finish
Air Force veteran and VA Community Care Partner serving fellow veterans with PTSD and depression
Integrates ketamine with Exomind TMS for comprehensive, multi-modal psychiatric treatment
The only physician-administered IV ketamine clinic on the Emerald Coast serving Destin and beyond
Answers to Your Questions
IV ketamine therapy at Physicians Ketamine Institute treats treatment-resistant depression, PTSD, generalized and social anxiety, OCD, bipolar depression, and postpartum depression. Dr. Barnett evaluates each patient individually to determine whether ketamine is clinically appropriate for their specific condition.
Many patients experience noticeable improvement in mood and depressive symptoms within hours of their first infusion. This rapid onset distinguishes ketamine from traditional antidepressants, which typically require four to eight weeks to take effect. The full initial protocol of six infusions builds cumulative benefits over two to three weeks.
Traditional antidepressants primarily target serotonin and norepinephrine systems, while IV ketamine works on the glutamate system through NMDA receptor modulation. This different mechanism of action is why ketamine can be effective for patients who have not responded to conventional medications. Ketamine also promotes rapid synaptogenesis, essentially helping the brain form new neural connections.
The standard initial protocol consists of six infusions administered over two to three weeks. After the initial series, Dr. Barnett assesses your response and recommends a personalized maintenance schedule, typically one infusion every three to six weeks. Some patients may need more or fewer maintenance treatments depending on their individual response.
Yes, when administered by a qualified physician in a clinical setting. Ketamine has been used safely as an anesthetic for over 50 years. Dr. Barnett is a board-certified anesthesiologist with specialized ketamine training, and she monitors vital signs continuously throughout every infusion. Side effects are typically mild and temporary, resolving within hours of treatment.